simstudy (version 0.7.0)

mergeData: Merge two data tables

Description

Merge two data tables

Usage

mergeData(dt1, dt2, idvars)

Value

A new data table that merges dt2 with dt1

Arguments

dt1

Name of first data.table

dt2

Name of second data.table

idvars

Vector of string names to merge on

Examples

def1 <- defData(varname = "x", formula = 0, variance = 1)
def1 <- defData(varname = "xcat", formula = ".3;.2", dist = "categorical")

def2 <- defData(varname = "yBin", formula = 0.5, dist = "binary", id = "xcat")
def2 <- defData(def2, varname = "yNorm", formula = 5, variance = 2)

dt1 <- genData(20, def1)
dt2 <- genData(3, def2)

dtMerge <- mergeData(dt1, dt2, "xcat")
dtMerge